About: http://webisa.webdatacommons.org/249395019

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	More particularly, when the AV system is constructed of video-handling devices, video sources such as a television tuner and an optical disk device output a video signal and audio signal to a monitor device as a final output device.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com